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AERA Technical Bulletins – February 25, 2022

Injector Sleeve Installation on 2003-2020 Hino 12.9L E13C Diesel Engines

The AERA Technical Committee offers the following information concerning the installation of injector sleeves for 2003-2020 Hino 12.9L E13C diesel engines. This information should be considered anytime the cylinder head is being worked on.
Obtaining special tool nozzle sleeve installer Part #09472-1210 and steel ball Part #9800-06100A shown in Figure 2 from Hino or aftermarket is the first step in preparation for sleeve replacement. Information on proper sleeve installation is not included with the packaging of new injector sleeves so follow the illustrations and steps listed below. Before installing the new injector sleeves, clean them and the cylinder head with a fast-drying alcohol cleaning agent.

Camshaft Usage on 1986-2006 Detroit Diesel Series 60 Diesel Engines

The AERA Technical Committee offers the following information on the camshaft usage for 1986-2006 Detroit Diesel Series 60 diesel engines. This information should be considered anytime a camshaft is being replaced.
There are many different cams used in these engines and intermixing a different cam may not offer proper engine performance for the application you’re working on. The chart below also shows the correct injection timing to check for the different camshafts.

Reuse, Rebuild or Replace?

By Steve Scott

With heavy duty industrial engines, the engine’s owner or repair shop is often faced with the critical decisions to reuse, rebuild or replace cylinder heads and cylinder head components. The individual components in the cylinder head are not to be overlooked. Beyond the machine work that may be required to bring the cylinder head casting back into reusable condition, several of the other components in the cylinder head may also be reusable. If you intend to reuse them, understanding the technical requirements of these components is necessary for qualifying them. Many of the OEMs publish “reusability guides” to help determine if these parts can be reused. However, “can be” and “should be” are two different arguments when discussing repairs. Some OEM guidelines are detailed explaining visible and dimensional things to look for, or check. Other guidelines are so vague that they leave many questions unanswered. Knowing the engine’s history, and what the future plans are for the engine are also factors in making these decisions. If you are planning to rebuild the engine and get a full second service life from it, then the cost savings of reusing the valvetrain components may not be so appealing.

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Podcast Episode 15
Magnetism

Chuck and guest co-host Dave Hagen, AERA’s Senior Technician (filling in for Steve for this episode), discuss how parts can become magnetized and how to demagnetize those parts. February is the month of NASCAR as the Daytona 500 kicks off the 2022 season and they also cover the formation of NASCAR. Plus, one little nugget about the 2021 Ford Bronco Engine!

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